80526278752 has 12 divisors (see below), whose sum is σ = 158536111356. Its totient is φ = 40263139360.

The previous prime is 80526278717. The next prime is 80526278753. The reversal of 80526278752 is 25787262508.

It is a self number, because there is not a number n which added to its sum of digits gives 80526278752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80526278753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258223074 + ... + 1258223137.

It is an arithmetic number, because the mean of its divisors is an integer number (13211342613).

Almost surely, 2^80526278752 is an apocalyptic number.

It is an amenable number.

80526278752 is a deficient number, since it is larger than the sum of its proper divisors (78009832604).

80526278752 is a wasteful number, since it uses less digits than its factorization.

80526278752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516446221 (or 2516446213 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 80526278752 in words is "eighty billion, five hundred twenty-six million, two hundred seventy-eight thousand, seven hundred fifty-two".